CN108734080A - Security method based on image procossing - Google Patents
Security method based on image procossing Download PDFInfo
- Publication number
- CN108734080A CN108734080A CN201810131382.XA CN201810131382A CN108734080A CN 108734080 A CN108734080 A CN 108734080A CN 201810131382 A CN201810131382 A CN 201810131382A CN 108734080 A CN108734080 A CN 108734080A
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- image
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- form region
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000005336 cracking Methods 0.000 claims abstract description 18
- 238000001514 detection method Methods 0.000 claims description 49
- 238000012545 processing Methods 0.000 claims description 16
- 239000013598 vector Substances 0.000 claims description 11
- 230000036548 skin texture Effects 0.000 claims description 8
- 238000010295 mobile communication Methods 0.000 claims description 6
- 238000003708 edge detection Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000010191 image analysis Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 206010033799 Paralysis Diseases 0.000 description 1
- 241000092161 Pithys Species 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 210000003813 thumb Anatomy 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/50—Context or environment of the image
- G06V20/59—Context or environment of the image inside of a vehicle, e.g. relating to seat occupancy, driver state or inner lighting conditions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q9/00—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/40—Extraction of image or video features
- G06V10/44—Local feature extraction by analysis of parts of the pattern, e.g. by detecting edges, contours, loops, corners, strokes or intersections; Connectivity analysis, e.g. of connected components
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Mechanical Engineering (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Burglar Alarm Systems (AREA)
- Alarm Systems (AREA)
Abstract
The security method based on image procossing that the present invention relates to a kind of, this method include being detected with the situation of cracking to vehicle window using the automotive window alarm platform that cracks, and the situation of cracking based on vehicle window formulates corresponding alarm strategy.By means of the invention it is possible to further increase the security performance of automobile.
Description
Technical field
The present invention relates to security field more particularly to a kind of security methods based on image procossing.
Background technology
With the rapid development of economic level and science and technology, the security precautions of people are also higher and higher.In order to right
Pay various economic criminal offenses, protect the life of the people and the safety of property, using high-tech means prevent and
It prevents crime and has become the common recognition in security personnel field.
However, habitually in the past traditional video monitoring and alarm network system is limited to by state-of-art at that time, TV
Monitoring system can only be monitored at the scene mostly, although network alarm network can carry out longer-distance warning message transmission,
But there is easy wrong report, the warning message of transmission is simple, the shortcomings of being unable to transmitting video image, can not timely and accurately understand
The situation of the site of the accident, alert event confirm difficulty, and system effectiveness is relatively low, security personnel can be made to lose vigilance in the course of time, production
The thought of raw paralysis absent-mindedness.
Remote image transmission traditional in the past, is generally transmitted using special optical cable or microwave, is easy by landform
With the limitation of circuit, and cost is high, and general user is difficult to receive, and therefore, is not easy to promote and apply.
In addition, legacy system is after an event occurs, just send someone to enroll image-tape to scene, thumbs the warp of event generation
It crosses, but when being usually that incident is more, can not know scene during incident the last period, and the image of video-tape is generally not clear enough
It is clear.
Invention content
To solve the above-mentioned problems, the security method based on image procossing that the present invention provides a kind of, can close in car owner
After closing engine and locking to four car doors, the position of active detecting vehicle window and the gap of vehicle window, particular, it is important that right
During forms target identification, target area and non-target area are obtained by the way of to image analysis edge line to be identified
It is fed back to adjust acquisition of the images to be recognized to target area, and recycle identification after the follow-up recognition failures of target area in domain
Process is until identifying successfully.
More specifically, the present invention at least has the important inventive point in following a few places:
(1) target area and nontarget area are obtained by the way of to image analysis edge line to be identified, it is more crucial
, after the follow-up recognition failures of target area, feed back to adjust acquisition of the images to be recognized to target area, and recycle knowledge
For other process until identifying successfully, the target identification mode of this cycle feedback reduces the operational data amount and meter of identification
Calculate complexity;
(2) different features is distributed based on both form region and non-form region lightness forms target is identified,
Improve the accuracy of identification of forms target;
(3) the texture variations amplitude that pre-acquisition image is analyzed by the built-in skin texture detection unit of camera, to be based on obtaining
The texture variations amplitude adjustment camera obtained finally shoots the real-time resolution of image, to ensure subsequent image treatment effect
While, reduce unnecessary image operation and energy loss;
(4) on the basis of accurate forms detect, the situation of cracking of vehicle window is detected, in the unmanned situation of automobile
Under, symmetry slot situation carries out and alarm.
According to an aspect of the present invention, a kind of security method based on image procossing is provided, this method includes using vapour
The vehicle window body alarm platform that cracks is detected with the situation of cracking to vehicle window, and the cracking situation based on vehicle window formulates corresponding report
Pithy to omit, the automotive window alarm platform that cracks includes:
Car door detection device is arranged in the front end of automobile, is connect respectively with four Car's door controlling devices of automobile, the car door
Detection device is used to receive the current state of each car door, and the car door detection device is additionally operable to determining four car doors all be to close
When closed state, lock signal on car door is sent out, otherwise, the non-lock signal of car door is sent out and is simultaneously emitted by unlocked door position;
Engine condition analytical equipment is arranged in the front end of automobile, is connect with the engine of automobile, the engine condition
Analytical equipment is for detecting whether engine is in flameout state, accordingly to send out misfire detection signal or operation detection signal;
Starting device is imaged, is connect respectively with the engine condition analytical equipment and the car door detection device, it is described
It images starting device to be used in lock signal on receiving the misfire detection signal and the car door, controls interior camera
Structure enters screening-mode, otherwise, controls interior photographic unit and exits screening-mode;
Interior photographic unit is arranged in automotive interior, for automobile indoor setting image to be shot and exported to automobile indoor setting,
The car photographic unit is built-in with pre-acquired unit, skin texture detection unit and resolution adjustment unit;
Window frame detection device is arranged in the instrument board of automobile, is connect with the interior photographic unit, described for receiving
Automobile indoor setting image carries out edge detection, to obtain in the automobile indoor setting image to the content in the automobile indoor setting image
Multiple edge lines, the multiple edge line includes multiple horizontal edge lines, multiple vertical edge lines and multiple other types sides
Edge line takes the horizontal edge line of the horizontal edge line of the top and bottom in the multiple horizontal edge line, takes multiple vertical
The vertical edge line of the vertical edge line of the leftmost side and the rightmost side in edge line obtains rectangle subgraph based on above-mentioned four edges edge line
Picture.
Description of the drawings
Embodiment of the present invention is described below with reference to attached drawing, wherein:
Fig. 1 for the automotive window that alarm platform is monitored of being cracked according to the automotive window shown in embodiment of the present invention knot
Structure schematic diagram.
Fig. 2 is the block diagram of alarm platform of being cracked according to the automotive window shown in embodiment of the present invention.
Specific implementation mode
The crack embodiment of alarm platform of the automotive window of the present invention is described in detail below with reference to accompanying drawings.
The vehicle window of automobile in vehicle traveling process, open gap size and whether open be it is inessential,
Because in the driving process of automobile, criminal is difficult to go automotive interior to execute malfeasance through vehicle window gap.
It walks to close the good habit of window however, some car owners do not form people, causes automobile after stopping travelling, Che Zhuguan
After closing automobile engine and locking to four car doors, there is no the gaps for observing vehicle window whether there is, i.e., is without observation vehicle window
It is no to completely close, in this way, once there is criminal to notice such vehicle, the loss of small then interior property, greatly then automobile sheet
Body is stolen, all can cause economic loss to automotive vehicle owner.
In order to overcome above-mentioned deficiency, the present invention to build a kind of security method based on image procossing, this method includes making
Be detected with the situation of cracking to vehicle window with the automotive window alarm platform that cracks, and the situation of cracking based on vehicle window formulate it is corresponding
Alarm strategy.The automotive window crack alarm platform solve above-mentioned technical problem.
Fig. 1 for the automotive window that alarm platform is monitored of being cracked according to the automotive window shown in embodiment of the present invention knot
Structure schematic diagram.
Fig. 2 is the block diagram of alarm platform of being cracked according to the automotive window shown in embodiment of the present invention, described flat
Platform includes:
Car door detection device is arranged in the front end of automobile, is connect respectively with four Car's door controlling devices of automobile;
Four Car's door controlling devices, be respectively used to control automobile it is left front, right before, it is left back, right after four car doors;
Wherein, the car door detection device is used to receive the current state of each car door;
Wherein, the car door detection device is additionally operable to when determining that four car doors are all in off state, and sends out car door locking
Otherwise signal sends out the non-lock signal of car door and is simultaneously emitted by unlocked door position.
Then, the concrete structure of alarm platform of continuing to crack to the automotive window of the present invention is further detailed.
The automotive window is cracked in alarm platform:
Engine condition analytical equipment is arranged in the front end of automobile, is connect with the engine of automobile;
Wherein, the engine condition analytical equipment is for detecting whether engine is in flameout state, accordingly to send out
Misfire detection signal or operation detection signal.
The automotive window is cracked in alarm platform:
Starting device is imaged, is connect respectively with the engine condition analytical equipment and the car door detection device;
Wherein, the camera shooting starting device is used for the lock signal on receiving the misfire detection signal and the car door
When, it controls interior photographic unit and enters screening-mode, otherwise, control interior photographic unit and exit screening-mode.
The automotive window is cracked in alarm platform:
Interior photographic unit is arranged in automotive interior, for automobile indoor setting image to be shot and exported to automobile indoor setting,
The car photographic unit is built-in with pre-acquired unit, skin texture detection unit and resolution adjustment unit;
The pre-acquired unit is used to carry out image pre-acquired to automobile indoor setting to obtain pre-acquisition image;
The skin texture detection unit is connect with the pre-acquired unit, for receiving described in the pre-acquisition image and estimation
The texture variations amplitude of pre-acquisition image;
The resolution adjustment unit is connect with the skin texture detection unit, is used for the texture based on the pre-acquisition image
Amplitude of variation adjusts the resolution ratio of the automobile indoor setting image of the interior photographic unit shooting;Wherein, the resolution adjustment list
Texture variations amplitude of the member based on the pre-acquisition image adjusts the resolution ratio of the high-definition image of the interior photographic unit shooting
Including:The texture variations amplitude of the pre-acquisition image is bigger, the resolution ratio of the high-definition image of the car photographic unit shooting
It is higher;
Window frame detection device is arranged in the instrument board of automobile, is connect with the interior photographic unit, described for receiving
Automobile indoor setting image carries out edge detection, to obtain in the automobile indoor setting image to the content in the automobile indoor setting image
Multiple edge lines, the multiple edge line includes multiple horizontal edge lines, multiple vertical edge lines and multiple other types sides
Edge line takes the horizontal edge line of the horizontal edge line of the top and bottom in the multiple horizontal edge line, takes multiple vertical
The vertical edge line of the vertical edge line of the leftmost side and the rightmost side in edge line obtains rectangle subgraph based on above-mentioned four edges edge line
Picture;
Lightness detection device is connect with the window frame detection device, for receiving the automobile indoor setting image and the square
The region of the non-rectangle subgraph in the automobile indoor setting image is determined as non-form region by shape subgraph, will be described
Region of the rectangle subgraph in the automobile indoor setting image is determined as form region;For each in the form region
Pixel, calculate it is centered on it, around in the pixel region of 7 pixels × 7 lightness of each pixel average value using as
Its mean lightness, it is corresponding average that the mean lightness based on each pixel in the form region obtains the form region
Lightness image;For each pixel in the non-form region, calculate it is centered on it, around the pixel of 7 pixels × 7
The average value of the lightness of each pixel is using as its mean lightness in region, based on each pixel in the non-form region
The mean lightness of point obtains the corresponding mean lightness image of the non-form region;
Forms identification equipment is connect with the lightness detection device, for the mean lightness image to the form region
Statistics with histogram is executed, obtains the histogram vectors of the corresponding lightness of the form region using as forms histogram vectors, it is right
The mean lightness image of the non-form region executes statistics with histogram, obtains the histogram of the corresponding lightness of the non-form region
Figure vector is big in non-forms histogram and the mould of the difference of forms histogram vectors as non-forms histogram vectors, to be additionally operable to
When equal to default lightness difference, identification pass signal is sent out, and the form region is exported, and in non-forms histogram
When being less than default lightness difference with the mould of the difference of forms histogram vectors, recognition failures signal is sent out;
Embedded processing chip is arranged in the instrument board of automobile, respectively with the forms identification equipment and the window frame
Detection device connects, for when receiving the identification pass signal, by built-in state register tagging for 1 with stopping to institute
The forms identification for stating automobile indoor setting image, is additionally operable to when receiving the recognition failures signal, by built-in state register mark
It is denoted as 0 area that the rectangle subgraph is reduced to control the window frame detection device based on the multiple edge line, in order to
The processing again of the lightness detection device and the forms identification equipment;Wherein, the embedded processing chip is additionally operable to
It after receiving the identification pass signal, cracks to form region execution and detects operation, and confirming the form region
When middle presence is cracked, alarm signal of cracking is sent out, otherwise, sends out forms normal signal.
The automotive window is cracked in alarm platform:
Mobile communication interface is connect with the embedded processing chip;
It wherein, will be with the detection of cracking when the mobile communication interface is operated for detection of cracking described in receiving
Corresponding word information warning is operated to be sent at the portable terminal of automotive vehicle owner or at the Operation Server of automobile operator.
And the automotive window is cracked in alarm platform:
The lightness detection device, the forms identification equipment and the forms identification equipment are all disposed within the instrument of automobile
In disk;
The roof in automobile is arranged in the mobile communication interface.
In addition, DSP processing chips, which can be used, replaces the embedded processing chip.DSP processing chips, also referred to as digital signal
Processor is a kind of microprocessor particularly suitable for carrying out Digital Signal Processing operation, and main application is real-time
Realize various digital signal processing algorithms.
According to the requirement of Digital Signal Processing, DSP processing chips generally have following main feature:(1) it is instructed at one
A multiplication and a sub-addition can be completed in period;(2) program and data space is separated, can simultaneously access instruction and data;
(3) there is quick RAM in piece, usually can simultaneously be accessed in two pieces by independent data/address bus;(4) there is low overhead or nothing
Overhead loop and the hardware supported redirected;(5) quickly interrupt processing and Hardware I/O are supported;(6) have and operated within the monocycle
Multiple hardware address generators;(7) multiple operations can be executed parallel;(8) support pile line operation, make fetching, decoding and
The operations such as execution can be with Overlapped Execution.
Automotive window using the present invention is cracked alarm platform, for lacking forms under parking of automobile state in the prior art
Crack testing mechanism the technical issues of, by high-precision, targetedly image recognition technology means, use the mesh of cycle feedback
Mark identification method, the accurate position for obtaining automotive window, and the master that progress automotive window is cracked in the case where automobile is in dead ship condition
Dynamic detection, and in automotive window initiative alarming is carried out in the presence of when cracking.
It is understood that although the present invention has been disclosed in the preferred embodiments as above, above-described embodiment not to
Limit the present invention.For any person skilled in the art, without departing from the scope of the technical proposal of the invention,
Many possible changes and modifications all are made to technical solution of the present invention using the technology contents of the disclosure above, or are revised as
With the equivalent embodiment of variation.Therefore, every content without departing from technical solution of the present invention is right according to the technical essence of the invention
Any simple modifications, equivalents, and modifications made for any of the above embodiments still fall within the range of technical solution of the present invention protection
It is interior.
Claims (6)
1. a kind of security method based on image procossing, this method include cracking alarm platform using automotive window with to vehicle window
Situation of cracking is detected, and the situation of cracking based on vehicle window formulates corresponding alarm strategy, and the automotive window is cracked alarm
Platform includes:
Car door detection device is arranged in the front end of automobile, is connect respectively with four Car's door controlling devices of automobile;
Wherein, the car door detection device is used to receive the current state of each car door;
Wherein, the car door detection device is additionally operable to, when determining that four car doors are all in off state, send out lock signal on car door,
Otherwise, it sends out the non-lock signal of car door and is simultaneously emitted by unlocked door position.
2. the method as described in claim 1, which is characterized in that the platform further includes:
Engine condition analytical equipment is arranged in the front end of automobile, is connect with the engine of automobile;
Wherein, the engine condition analytical equipment is flame-out accordingly to send out for detecting whether engine is in flameout state
Detect signal or operation detection signal.
3. method as claimed in claim 2, which is characterized in that the platform further includes:
Starting device is imaged, is connect respectively with the engine condition analytical equipment and the car door detection device;
Wherein, the camera shooting starting device is used in lock signal on receiving the misfire detection signal and the car door,
The interior photographic unit of control enters screening-mode, otherwise, controls interior photographic unit and exits screening-mode.
4. method as claimed in claim 3, which is characterized in that the platform further includes:
Interior photographic unit, setting are described for automobile indoor setting image to be shot and exported to automobile indoor setting in automotive interior
Interior photographic unit is built-in with pre-acquired unit, skin texture detection unit and resolution adjustment unit;
The pre-acquired unit is used to carry out image pre-acquired to automobile indoor setting to obtain pre-acquisition image;
The skin texture detection unit is connect with the pre-acquired unit, for receiving the pre-acquisition image and estimating described pre- adopt
Collect the texture variations amplitude of image;
The resolution adjustment unit is connect with the skin texture detection unit, is used for the texture variations based on the pre-acquisition image
Amplitude adjusts the resolution ratio of the automobile indoor setting image of the interior photographic unit shooting;Wherein, the resolution adjustment unit base
The resolution ratio that the high-definition image of the interior photographic unit shooting is adjusted in the texture variations amplitude of the pre-acquisition image includes:
The texture variations amplitude of the pre-acquisition image is bigger, and the resolution ratio of the high-definition image of the car photographic unit shooting is higher;
Window frame detection device is arranged in the instrument board of automobile, is connect with the interior photographic unit, for receiving the automobile
Indoor setting image carries out edge detection to the content in the automobile indoor setting image, more in the automobile indoor setting image to obtain
A edge line, the multiple edge line include multiple horizontal edge lines, multiple vertical edge lines and multiple other types edge lines,
The horizontal edge line for taking the horizontal edge line of the top and bottom in the multiple horizontal edge line takes multiple vertical edge lines
The vertical edge line of the middle leftmost side and the vertical edge line of the rightmost side obtain rectangle subgraph based on above-mentioned four edges edge line;
Lightness detection device is connect with the window frame detection device, for receiving the automobile indoor setting image and rectangle
The region of the non-rectangle subgraph in the automobile indoor setting image is determined as non-form region, by the rectangle by image
Region of the subgraph in the automobile indoor setting image is determined as form region;For each pixel in the form region
Point, calculate it is centered on it, around in the pixel region of 7 pixels × 7 lightness of each pixel average value using flat as it
Equal lightness, the mean lightness based on each pixel in the form region obtain the corresponding mean lightness of the form region
Image;For each pixel in the non-form region, calculate it is centered on it, around the pixel region of 7 pixels × 7
The average value of the lightness of interior each pixel is using as its mean lightness, based on each pixel in the non-form region
Mean lightness obtains the corresponding mean lightness image of the non-form region;
Forms identification equipment is connect with the lightness detection device, is executed for the mean lightness image to the form region
Statistics with histogram obtains the histogram vectors of the corresponding lightness of the form region using as forms histogram vectors, to described
The mean lightness image of non-form region executes statistics with histogram, obtain the histogram of the corresponding lightness of the non-form region to
Measure using as non-forms histogram vectors, be additionally operable to the mould of the difference in non-forms histogram Yu forms histogram vectors more than etc.
When default lightness difference, identification pass signal is sent out, and the form region is exported, and in non-forms histogram and window
When the mould of the difference of Histogram volume vector is less than default lightness difference, recognition failures signal is sent out;
Embedded processing chip is arranged in the instrument board of automobile, is detected respectively with the forms identification equipment and the window frame
Equipment connects, for when receiving the identification pass signal, by built-in state register tagging be 1 with stopping to the vapour
The forms of interior scape image identify, are additionally operable to when receiving the recognition failures signal, are 0 by built-in state register tagging
The area that the rectangle subgraph is reduced to control the window frame detection device based on the multiple edge line, in order to be stated clearly
Spend the processing again of detection device and the forms identification equipment;Wherein, the embedded processing chip is additionally operable to receiving
After the identification pass signal, cracks to form region execution and detect operation, and exist in confirming the form region
When cracking, alarm signal of cracking is sent out, otherwise, sends out forms normal signal.
5. method as claimed in claim 4, which is characterized in that the platform further includes:
Mobile communication interface is connect with the embedded processing chip;
Wherein, it when the mobile communication interface is operated for detection of cracking described in receiving, will be operated with the detection of cracking
Corresponding word information warning is sent at the portable terminal of automotive vehicle owner or at the Operation Server of automobile operator.
6. method as claimed in claim 5, it is characterised in that:
The lightness detection device, the forms identification equipment and the forms identification equipment are all disposed within the instrument board of automobile
It is interior;
The roof in automobile is arranged in the mobile communication interface.
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